refactor: Tag class support in registerTag()

test/unit/parser/match-operator.ts

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { matchOperator } from '../../../src/parser/match-operator'
-import { defaultOperators } from '../../../src/types'
+import { defaultOperators } from '../../../src'
 import { createTrie } from '../../../src/util/operator-trie'
 
 describe('parser/matchOperator()', function () {

test/unit/parser/parse-stream.ts

@@ -0,0 +1,15 @@
+import * as chai from 'chai'
+import { ParseStream } from '../../../src/parser'
+import { Token } from '../../../src/tokens'
+
+const expect = chai.expect
+
+describe('parseStream', () => {
+  it('should trigger "token" event', () => {
+    const token = { kind: 4 } as Token
+    const ps = new ParseStream([token], (token) => ({ token } as any))
+    let got
+    ps.on('token', token => { got = token }).start()
+    expect(got).to.equal(token)
+  })
+})